retro-thermionic

Retro thermionic audio harks back to the golden age of sound, utilizing vacuum tubes and thermionic valves to craft warm, rich tones. These analog components, reminiscent of mid-20th century technology, impart a distinct character to audio signals. Engineers embrace the harmonic saturation yielding vintage vibes sought after by audiophiles and music lovers. This process involves designing circuits with artistic and aesthetic intuition.

Sunday, December 1, 2024

A 6N7 preamp with remote

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The now converted 01a preamp is now a RCA - NOS NIB - 6N7. The tube is metal (No!) so not much of a glow and is a dual triode with single ca...
Tuesday, November 19, 2024

“Perspective” - EL34 Single End Ultra-linear power amp

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  This amp is based on a pair of new Mullard reissue matched EL34s with a universal driver tube. Any 12A*7 can be used as a driver. OPTs are...
Thursday, October 17, 2024

“retro-Zen” Decware inspired 6BQ5/EL84 triode strapped amp

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  A Decware inspired 6BQ5/EL84 (Zen) triode strapped amp with attenuator. Driver is 6N1P. And of course chicken beak knob with AWV 6BQ5. OPT...
Monday, October 7, 2024

“Hegemony” - 6L6 monoblocks.

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  I was asked to build 6L6 monoblocks for a very keen tube collector. He would provide the tubes and I would build the amps. Monoblocks are ...
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Thursday, August 15, 2024

“Rhetoric” - EAR834p MM phono stage

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EAR834p MM phono stage in a Hammond wood cheek. External PS with Hammond tranni. DC on the heaters and the HT is electronically smoothed. Pa...
Thursday, July 25, 2024

“Elements” - 12AX7 SRPP preamp with remote

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  Built mainly from parts on hand including tubes (Gold Lion), enclosures, output caps and power tranni. The power tranni I got free because...
Sunday, March 10, 2024

“Aspire” - Psvane 6SN7 globe preamp

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  After checking the expensive tubes of one of my preamps I'd sold to another one came up bad. I purchased the one good tube and helped ...
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retro-thermionic
Fifty years+ in electronics with a passion for audio.
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